From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: linux-can@vger.kernel.org, tglx@linutronix.de
Subject: Re: [RFC PATCH] can: gw: fix RCU/BH usage in cgw_create_job()
Date: Mon, 29 Apr 2024 11:47:16 +0200 [thread overview]
Message-ID: <20240429094716.rs5cj3Ts@linutronix.de> (raw)
In-Reply-To: <20240122101037.FnYaYf7_@linutronix.de>
On 2024-01-22 11:10:38 [+0100], To Oliver Hartkopp wrote:
> > Would a spin_lock() or spin_lock_bh() be an alternative to lock this update
> > against the modification execution in can_can_gw_rcv()?
>
> Yes, that is what locks are for. You would have to put the lock outside
> of ccgw and acquire it before reading or writting ccgw.
Hi :)
> > Best regards,
> > Oliver
Sebastian
prev parent reply other threads:[~2024-04-29 9:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 12:37 [RFC PATCH] can: gw: fix RCU/BH usage in cgw_create_job() Oliver Hartkopp
2024-01-11 12:14 ` Sebastian Andrzej Siewior
2024-01-21 10:07 ` Oliver Hartkopp
2024-01-22 10:10 ` Sebastian Andrzej Siewior
2024-04-29 9:47 ` Sebastian Andrzej Siewior [this message]
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